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JP2023126095A |
To provide an iron source production method enabling phosphorus existing in iron ore to be sufficiently removed, even when the phosphorus is coupled to iron.An iron source production method is provided, comprising: a preparing step of mi...
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JP2023537953A |
The present invention discloses a method of concentrating niobium titanium in iron-bearing niobium titanate ores and the use of nickel-containing materials. In the method according to the present invention, raw materials containing 1 par...
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JP2023124699A |
To provide a treatment method of positive electrodes of nonaqueous electrolyte secondary batteries capable of reducing phosphorous (P) in a metal material at low cost, and a recovering method of valuable metals from metal composite oxide...
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JP7338309B2 |
To provide a smelting method of an oxide ore capable of efficiently recovering a metal contained in the oxide ore.A smelting method is configured to apply a reduction treatment to a mixture including an oxide ore and a carbonaceous reduc...
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JP7338326B2 |
To provide a process for recovering valuable metal at low cost.Provided is a process for recovering valuable metal including the following steps: a preparation step of preparing a charge material containing at least lithium (Li) and valu...
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JP7336749B2 |
A process for producing nickel particles comprises the steps of: melting a nickel source to produce a melt; and powderizing molten nickel contained in the melt by an atomization method comprising atomizing a gas or an aqueous medium onto...
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JP2023121702A |
To provide a method capable of safely and efficiently collecting valuable metals from a raw material including a waste lithium ion battery, etc.A method for manufacturing valuable metals from a raw material including valuable metals cont...
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JP2023112725A |
To provide a reaction device which is capable of increasing a purification refinement amount of a reduced substance, facilitates control of a sample temperature and can be easily mass-produced, and provide a method capable of efficiently...
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JP7323075B2 |
To provide a method for producing agglomerated ore, with which reduced iron can be efficiently produced by hydrogen reduction, without the need for preheating raw material and raising the temperature of reducing gas. A method for produci...
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JP7322687B2 |
To provide a method for efficiently and inexpensively recovering valuable metal contained in a waste battery.Treatment includes a roasting step S1 of roasting a waste battery to obtain a roasted mater; a crushing step S2 of crushing the ...
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JP2023108902A |
To provide operation of an electric furnace which can be tilted and has a graphite electrode, and in which discharge of slug by tilt of the electric furnace and exchange of the graphite electrode can be executed at proper timing and effi...
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JP7321776B2 |
To prevent a surface of a ferronickel cast piece from blackening, in the production of the ferronickel cast piece.In a production of a ferronickel cast piece including: a melting reduction step S1 of subjecting nickel oxide ore to meltin...
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JP2023106013A |
To provide a lead recovery method in which lead can be recovered highly efficiently.A mixed material S that is obtained by mixing lead oxide and/or lead sulfate separated from a lead battery and carbon is irradiated with a microwave unde...
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JP2023106474A |
To provide a process for reducing the content of oxygen in metallic copper.The content of oxygen in molten metallic copper is reduced during the copper refining process by adding pure carbon monoxide, produced by electrolysis of carbon d...
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JP2023103823A |
To provide a method for manufacturing a crude zinc oxide using steel dust as a raw material which can effectively utilize flue cinder containing zinc and copper produced in a copper refining furnace as a part of a raw material, while avo...
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JP2023103699A |
To provide a novel reduction device for a magnesium compound with small environmental load.A reduction device for a magnesium compound includes a reaction chamber 10a, plasma generating means 11 for generating nonequilibrium plasma in th...
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JP2023103125A |
To provide a calculation device of an in-furnace reaction capable of calculating with high accuracy.The calculation device of an in-furnace reaction in which raw material ores are brought into contact with combustion gas and dried and re...
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JP2023531490A |
A method for producing a directly reduced metallic material comprising: a) charging the metallic material (142) to be reduced into the furnace space (120); b) supplying heat and reducing gas to the furnace space (120) such that the heate...
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JP7306277B2 |
To provide a method for efficiently and inexpensively recovering valuable metals included in waste batteries.A method for recovering valuable metals from waste batteries comprises: a roasting step S1 of roasting waste batteries to obtain...
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JP2023098008A |
To provide an electrolytic bath case that can be easily carried.An electrolytic bath case 10 made of steel for covering the outer surface of an electrolytic bath made of brick comprises: a cylindrical member 11 for covering the outer sur...
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JP7303327B2 |
The present disclosure concerns the production of precursor compounds for lithium battery cathodes.Batteries or their scrap are smelted in reducing conditions, thereby forming an alloy suitable for further hydrometallurgical refining, an...
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JP2023092073A |
To provide an electric furnace capable of achieving efficient environmental dust collection and a manufacturing method of valuable metal using the electric furnace.A tiltable electric furnace 1 of three-phase alternating current type inc...
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JP2023092074A |
To provide a method for preventing occurrence of variation in a shape of slag containing lithium, even when an operation is continued, in a separation recovery of slag and a metal containing a valuable metal through applying a reduction-...
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JP2023092305A |
To provide a method for efficiently obtaining ferronickel while suppressing quality deterioration in the method for producing ferronickel by reducing the mixture including nickel oxide ore.A ferronickel obtaining method includes a proces...
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JP2023092304A |
To provide a method for efficiently producing ferronickel by suppressing the quality deterioration of reducing substance in a refining method for producing ferronickel by reduction of a mixture including nickel oxide ore.This invention r...
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JP7301590B2 |
To provide a manufacturing method of sponge titanium capable of manufacturing high quality sponge titanium with high precision even in each batch at low cost.A manufacturing method of sponge titanium which uses a metal reduction reaction...
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JP7298893B2 |
To provide a method for producing high purity manganese capable of sufficiently reducing an oxygen concentration and a boron concentration.There is provided a method for producing high purity manganese which comprises: a step of preparin...
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JP2023087777A |
To provide an operation method of a refining furnace for having surplus power of dust collection ability of a dust collection device, in oxygen blowing in a refining furnace where a dry type dust collecting machine is provided on a midwa...
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JP7293634B2 |
To provide a method for smelting oxide ore that can efficiently produce high-quality metal with improved quality.A method for smelting oxide ore has a mixture step of obtaining a mixture containing oxide ore and carbonaceous reductant, a...
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JP7293910B2 |
To provide a smelting method of oxide ore capable of heightening quality of obtained metal and capable of efficiently manufacturing a high quality metal.A smelting method of oxide ore includes a mixing step for obtaining a mixture contai...
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JP7292581B2 |
To provide a smelting method of an oxide ore capable of enhancing a quality of a metal to be obtained, and efficiently manufacturing a high quality metal.A smelting method of an oxide ore includes: a mixing step of obtaining a mixture in...
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JP2023084633A |
To provide a smelting method for manufacturing ferronickel by reducing a mixture containing nickel oxide ore that can suppress quality degradation of a resultant reduced product and manufacture ferronickel through efficient operations.A ...
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JP2023080726A |
To provide a metal manufacturing method which effectively reduces phosphorus from a metal oxide containing phosphorus at low cost in a short time by one-stage reduction treatment.A metal manufacturing method includes reacting a metal oxi...
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JP2023081117A |
To reduce a coal consumption while maintaining the progress of necessary and sufficient reduction of a material to be calcined in a furnace in a rotary kiln operation capable of subjecting a raw material ore to not only drying but also r...
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JP2023080996A |
To provide a method which effectively reduces phosphorus from a metal oxide containing phosphorus at low cost in a short time.A metal manufacturing method includes a metallization treatment step of reacting a metal oxide containing phosp...
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JP2023079612A |
To provide a smelting method of a nickel oxide ore capable of enhancing a grade of an obtained metal and capable of efficiently producing a high-quality metal.A smelting method forms a pellet from a nickel oxide ore and reduces the pelle...
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JP2023079656A |
To provide a smelting method of a nickel oxide ore capable of enhancing a grade of a metal obtained and capable of efficiently producing a high-quality metal.A smelting method forms a pellet from a nickel oxide ore and reduces the pellet...
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JP7285423B2 |
To provide a smelting method of an oxide ore capable of enhancing a grade of a metal to be obtained and efficiently manufacturing a high-quality metal.A smelting method of an oxide ore includes: a mixing step of mixing an oxide ore and a...
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JP2023523018A |
Systems and methods of various embodiments may provide porous materials for electrodes of electrochemical energy storage systems. [Selection drawing] Fig. 2
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JP7276361B2 |
A method capable of inexpensively recovering valuable metals is provided. The method for recovering a valuable metal includes: a preparation step of preparing a charge containing at least lithium (Li) and a valuable metal; an oxidation a...
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JP7273819B2 |
A disclosed process produces at least one concentrated copper product together with at least one crude solder product, starting from a black copper composition with at least 50% of copper together with at least 1.0% wt of tin and at leas...
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JP7271833B2 |
To provide a method for selectively recovering lithium from an alloy material containing lithium such as waste lithium ion batteries.A recovery method of lithium includes: separating metal and slag, obtained by melting and reducing an al...
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JP7272752B2 |
To provide a metal titanium manufacturing method capable of largely reducing production cost by removing problems in a titanium separation process for separating metal titanium from a reaction product containing the metal titanium after ...
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JP7269754B2 |
To provide a method which allows for reduction of amount of Ni included in melt in a reduction smelting step when the amount of Ni included in the melt exceeds a predetermined amount upon recovery of noble metal from waste catalyst by dr...
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JP2023518940A |
In the lithium precursor regeneration method, an active material powder containing lithium composite oxide particles and a positive electrode active material mixture containing dust particles are prepared. A classifier is used to separat...
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JP2023518880A |
The present invention provides a method for recovering transition metals from battery materials, comprising the steps of: (0.1) providing a battery material comprising nickel oxide and/or cobalt oxide compounds; heating to produce a redu...
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JP2023516430A |
A method for recovering active metals of a lithium secondary battery according to an exemplary embodiment of the present invention includes preparing a preliminary positive electrode active material mixture containing a lithium composite...
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JP7260400B2 |
To prevent a surface of a ferronickel cast piece from blackening, in the production of the ferronickel cast piece.In a production of a ferronickel cast piece made by including: a melting reduction step S1 of reducing nickel oxide ore in ...
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JP2023515958A |
The present invention provides a first starting material having at least one smelter dust and/or sludge containing iron, zinc, lead and other heavy metal components and a second starting material containing at least one chlorine componen...
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JP7258093B2 |
A process and system for producing lithium metal from a lithium-containing silicate mineral is disclosed. The process and system comprise subjecting the silicate mineral to a nitric acid leach in a leaching reactor whereby the lithium va...
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